Translation of "apprehensive" into Indonesian

I was apprehensive, as I didn’t know much about the practice.

Saya sangat khawatir, karena saya tidak tahu banyak tentang praktek ini.

Likely, fear and apprehension had caused Daniel to fall into a stupor.

Agaknya, rasa takut dan cemas telah membuat Daniel jatuh lemas.

Despite our initial apprehension, we wanted to do what was right and gladly accepted our assignment.

Walaupun awalnya agak bimbang, kami ingin melakukan apa yang benar dan dengan senang menerima tugas kami.